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Bathroom refurb tiling/flooring advice

Discussion in 'Plastering and Rendering' started by iluke, 18 Jul 2019.

  1. iluke

    iluke

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    Hi guys

    I recently had bathroom ripped and re-boarded but have temporarily stopped work and have to book again.

    So the guys that have already installed plasterboard and partial hardiebacker board in the shower area. They want to install tiles directly over the plaster/hardiebacker boards, this sounds ok according to research.

    On the floor they want to fix parts of the damaged floor boards (decent amount of cuts/water damage from old shower) and place I think its 6mm hardiebacker on top before tiling, this also sounds ok?

    I have just had another team visit incase I need to pick someone else, they wanted to do things a bit different, just wanted to know what you guys thought, please?
    • use adhesive on the plasterboard before tiling because of possible moisture issues
    • fix the existing floor, so removing existing 2.2mm boards and he mentioned fitting 2.5mm board (4m2) instead (two large boards would cover the area)
      • This would prevent the floor from rising above the other rooms
      • I guess it would be more level is well
    • suggested installing the shower tray on top of floor tiles, think in order to raise as much as possible without resorting to actually using a riser kit because the waste pipe will likely hit a little bit of the joist. (40mm height shower tray)
    Do you guys think both methods are valid, maybe one is better/worse?

    Thank you
     
  2. 23vc

    23vc

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    • Adhesive makes no sense, tanking makes sense
    • 2.2/2.5mm boards makes no sense, 22mm/25mm makes sense, but more importantly ply is your best bet, over t&g timber, over chipboard (worst)
    • Not a fan of that, although technically nothing really wrong with it, but not normally required
     
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  4. iluke

    iluke

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    @23vc thanks, sorry thats a typo on my part, 2.2(current)/2.5mm(suggested) is correct.

    I know first guys wanted to tank the shower area only, not the rest e.g. behind basin, toilet.

    Second team, I could only imagine they meant tanking, English was not the best but I had them around because they've done work for multiple relatives/friends and they have liked the work he has done over the years. Will check to make sure, otherwise does sound odd for sure..
     
  5. 23vc

    23vc

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    Yeah, tanking only required in shower itself. If you’re tiling the floor, then the subfloor is key, ensuring all edges supported on noggins, etc. Any flex and tiles will pop.
     
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